Post Offices
Post Offices in & near Sumas, Washington. Operating hours, locations, phone/fax number, services information.
Suma Post Office
Post Office in Sumas, Washington on Railroad Ave. Operating hours, phone number, services information, and other locations.
Address: 534 Railroad Ave, Sumas, WA 98295
Phone: 360-988-2613
Fax: 651-306-6548
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:30am - 4:30pmTuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 4:30pm
Saturday Closed
Sunday Closed
Lobby Hours
Monday 3:45pmTuesday 3:45pm
Wednesday 3:45pm
Thursday 3:45pm
Friday 3:45pm
Saturday 11:30am
Sunday Closed
Last Collection Times
Monday 10:00am - 12:00pmTuesday 10:00am - 12:00pm
Wednesday 10:00am - 12:00pm
Thursday 10:00am - 12:00pm
Friday 10:00am - 12:00pm
Saturday Closed
Sunday Closed